Abstract: A Bitcoin node monitoring tool and website bitnod.es is launched. The website has a database of c28,000 Bitcoin nodes and various tables and charts to monitor the available metrics. There also exists a node explorer, to view details about individual nodes.

Back in 2013, a website was launched to monitor Bitcoin nodes, bitnodes.io. It has useful information such as lists for IP addresses for reachable Bitcoin nodes and various charts:



In 2015 Balaji Srinivasan's Bitcoin mining toaster startup 21 Inc pledged support for the service:



A few days ago, in May 2026, after 13 years of operation, the website went down and the domain expired.



...read more at bitmex.com